Outdoor display board



FIG. 1 is a perspective view of an outdoor display board showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a side elevational view, the undisclosed opposite side being a mirror image thereof; and,

FIG. 6 is a cross-section as taken on line 6--6 of FIG. 2.

The rear surface forms no part of the claimed design. 

The ornamental design for an outdoor display board, as shown and described. 